Finding the Third Proportional to 766,448 and 1,612,272

Step by Step Solution

1. Step 1: Write the proportion equation
   766,448 : 1,612,272 = 1,612,272 : x
2. Step 2: Convert to fraction form
   766,448/1,612,272 = 1,612,272/x
3. Step 3: Cross multiply
   766,448x = 1,612,272 × 1,612,272
4. Step 4: Simplify right side
   766,448x = 2,599,421,001,984
5. Step 5: Solve for x
   x = 2,599,421,001,984/766,448
6. Step 6: Final answer
   x = 3,391,516.45